Republican debate highlights and analysis: Candidates squabble in Simi Valley

2024 hopefuls argued over education, spending and border security.

The second Republican debate of the 2024 presidential primary, taking place at the Ronald Reagan Presidential Library, has just come to an end.

The affair was more raucous than the first debate, which took place over a month ago. Candidates interrupted one another much more regularly and several — most notably former Vice President Mike Pence and former New Jersey Gov. Chris Christie — have directly criticized front-runner Donald Trump, who elected not to show up tonight. The two candidates from South Carolina, former U.N. ambassador Nikki Haley and Sen. Tim Scott, went after one another for their records on spending, and seemingly everyone who had the chance to take a shot at entrepreneur Vivek Ramaswamy did so.

Read below for highlights, excerpts and key moments.


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Haley and Ramaswamy trade insults and poll positions

Haley going after Ramaswamy was a recurring theme in the first debate. They were the standout candidates in our polling last time and there was a lot of speculation about Ramaswamy moving up in the polls — perhaps even surpassing DeSantis. But since August, Ramaswamy has actually lost support, to the point where Haley passed him in our polling average today. It makes sense that they're trading blows again; this seems to be a successful strategy for Haley, and Ramaswamy can't help but take the bait.
-Analysis by G. Elliott Morris of 538


The candidates are discussing support for Ukraine. About half (49 percent) of Republicans and Republican-leaning independents say that vital U.S. interests are not really at stake in the war in Ukraine, according to an August Echelon Insights survey. Thirty-seven percent disagree, saying that if Russia wins, vital U.S. interests and values are threatened. Fourteen percent are unsure.
—Analysis by 538


Ramaswamy’s dance card fills up

For those keeping score at hope, Christie, Pence, Scott and now Haley have all gotten into shouting matches with Ramaswamy at these debates.

—Analysis by Nathaniel Rakich of 538


DeSantis finally gets a little momentum. His "they don't care" repetition is the most impassioned he's been all night (or in either debate). But whatever applause he might have got was cut short the conversation moving on a discussion about NATO and another Scott/Ramaswamy spat.
-Jacob Rubashkin, 538 contributor


Christie on crime

Christie gets the first question out of the break on how to handle crime, and he made the case that he's the only person on stage whose done it as a former prosecutor. But he turned the question into an attack on Trump, calling out Trump for skipping out on the debate, saying that soon he'll be called "Donald Duck" for avoiding it. The thing is, Christie has essentially a 0 percent chance of winning the GOP nomination, so it's not especially interesting to hear him go after Trump. Earlier in the debate, DeSantis did echo an attack Christie made by hitting Trump for not being on stage to defend the former president's record on spending. More of those kind of dings from anyone besides Christie would be a development in this debate.